Inventor · disambiguated record
Yoshifumi Takeuchi
Also filed as: TAKEUCHI YOSHIFUMI
4 granted patents·4 pending applications·31 citations·filing 1999–2025
73Inventor score
Files withORIGINATOR PROFILE COLLABORATIVE INNOVATION PARTNERSHIP2TSUBAKIMOTO CHAIN CO2HITACHI LTD1KAISAKU JUNICHI1SAJI TOMOYUKI1
Top patents by PatentIndex Score
8 records- 0181US7819389B2Hoisting and lowering device having engagement chainsTSUBAKIMOTO CHAIN CO·Filed 2008·Granted Oct 26, 2010·11 cites·2 claims
- 0262US8453994B2Engagement chain type driving deviceSUKO TOMOO·Filed 2009·Granted Jun 4, 2013·3 cites·5 claims
- 0359US2025371584A1Delivery system, delivery method, generative ai system, generative ai method, content providing system, and service providing methodORIGINATOR PROFILE COLLABORATIVE INNOVATION PARTNERSHIP·Filed 2025·Application pending·0 cites
- 0451US9541161B2Engagement chain type device for operating forward and backward movementKAISAKU JUNICHI·Filed 2011·Granted Jan 10, 2017·3 cites·6 claims
- 0550US6014766ADigital signal reproduction apparatusHITACHI LTD·Filed 1999·Granted Jan 11, 2000·14 cites·3 claims
- 0643US2024161151A1Ad delivery method and ad delivery systemORIGINATOR PROFILE COLLABORATIVE INNOVATION PARTNERSHIP·Filed 2020·Application pending·0 cites
- 0739US2013205927A1Engagement chain type device for forward and backward movement operationSAJI TOMOYUKI·Filed 2011·Application pending·0 cites
- 0839US2008315167A1Engagement chain type hoisting and lowering deviceTSUBAKIMOTO CHAIN CO·Filed 2008·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Yoshifumi Takeuchi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →